Vibration conductor for the deaf



Dec. 9, 1930. I A. GUERIN 1,734,350

VIBRATION CONDUCTOR FOR THE DEAF Filed Feb. 1. 1928 quart mad.

Patented Dec. 9, 1930 UNITED STATES AMEDEE GUERIN, OF SAN FRANCISCO, CALIFORNIA VIBRATION CONDUCTOR non THE DEAF Application filed February 1, 1928. Serial No. 251,133.

claimed.

An object of my invention is to provide a vibration conductor for the deaf which is especially designed to be removably secured to the tone arm of a phonograph, and to be swung into the desired position for permitting one end of the conductor to be received in the mouth, and to be gripped between the teeth of the deaf person.

A further object of my invention is to provide a device of the type described which is extremely simple in construction, and which is made out of certain kinds of metal for making an easy path for the travel of the vibrations from their source to the hearer.

Other objects and advantages will appear in the following specification, and the novel features of my invention will be particularly pointed out in what I hereinafter claim.

My invention is illustrated in the accompanying drawing forming a part of this application, in which:

Figure 1 is a perspective view of the device showing it operatively applied adjacent to the sound box of a phonograph;

Figure 2 is a top plan view of one end of the device;

Figure 3 is a view along the line 33 of Figure 2;

Figures 4:, 5, and 6 are perspective views of different parts of the device;

Figure 7 is a plan view of the other end of the device; and Figure 8 is a section along the line 88 of Figure 7 The device comprises a long strip of metal 1, which is preferably copper. This strip has a portion 2 that is turned at right angles to the plane of the end portions, and in this way the strip is made rigid, and is prevented from being bent. One end of the strip is attached to the adjusting screw 3 of a phonograph tone arm 4, while the other end is designed to be held within the mouth of the deaf person.

Figures 2 to 6, inclusive, show the particular construction that permits the device to be removably secured to the tone arm and to be swung into different positions. The strip 1 carries one jaw 5 of a clamping device that comprises a fixed jaw 5, and a movable jaw 6, see Figures 1 and 5. The fixed jaw is secured by rivets 7 or other suitable fastening means, tothe strip 1, and has a recess 8 therein for receiving the knurled head 9 of the set screw 3.

The movable jaw 6 has a pocket 10 therein for receiving another portion of the knurled head 9, and this jaw isyieldingly held in 1 clamped position upon the head 9 by a spring 11 of the shape shown in Figure 6. The movable jaw 6 has a projection 12 that is bent with respect to the jaw, so as to align an opening 13 therein with an opening 14:, disposed inthehandle15 of the jaw. The strip 1 is received betweenthe handle 15 and the projection 12, and a pin 16 pivotally secures the jaw '6 to the strip. The spring 11 is mounted upon the pin, as shown in Figure 3, and has onearm secured in a notch 17 in the handle 15, and its other arm disposed against the strip 1.

It can be seen from this construction that the strip 1 may be swung about a screw 3 as a pivot without affecting the adjustment of the screw. The screw is the one'usually employed for holding the phonograph needle 18 in place. 1

- The opposite end of the strip 1 is shown in Figures 1, 7, and 8. A mouthpiece 19, of the shape shown in Figure 7 is slipped over the reduced end of the strip 1 and is adjustably secured in pl'aceby a thumb screw 20. The mouthpiece is filled with lead 21 and the lead is provided with an opening 22 for receiving the end of the strip. This construction permits each deaf person to have a mouth-piece 19, thus making the device sanitary and adapted for use by different people.

From the foregoing description of the various parts of the device, the operation there of will be readily understood.

The jaw 5 is preferably made of copper while the jaw 6 is constructed of brass. From the jaw 5 to the lead mouth-piece 21 I provide a copper pathway for the vibrations, which consists of the strip 1, as already set forth.

The device may be readily secured to the set screw 3 by merely swinging the handle 15 and aligning the recess 8 and the pocket 10 with the head 9 of the set screw. The handle is released and the device will now be attached to the screw 3. The strip 1 can be rocked about a screw as a pivot, so that the mouth-piece 19 may be raised or lowered into the proper position with respect to the patients mouth. The mouth-piece 19 has an an nular groove 23, of the shape shown in Figure 7 The teeth of the patient are placed over the shoulder forming a part of the groove and contact with the mouth-piece.

Vibrations carried along the mouthpiece from the tone arm are conveyed to the teeth and thence to the hearing organ of the deaf person.

Although I have shown and described one embodiment of my invention, it is to be understood that the same is susceptible of various changes, and I reserve the right to employ such changes as may come within the scope of the invention as claimed.

I claim:

1. The combination with a reproducer having a projection, of a strip removably and pivotally secured to said projection, and a mouth-piece removably carried by said strip, said strip having a portion thereon bent for reinforcing it.

2. The combination with a stylus socket of a reproducer, said socket having a projection, of a strip for conducting vibrations, a spring actuated jaw disposed at one end of said strip for removably securing it to said projection, and a removable mouthpiece secured to the other end of said strip.

8. The combination with a stylus socket of a reproducer, said socket having a projection, of a strip for conducting vibrations, and means for removably securing said strip to said projection so as to allow it to swing in a vertical plane, said means including a pair of jaws extending from said strip and encircling a portion of said projection, one of said jaws being pivotally secured to said strip, and yielding means for urging said pivoted jaw into contact with said projection.

AMEDEE GUERIN. 

